The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Grenchen Airport (ZHI) in Grenchen Airport, Switzerland is 8,826 kilometers (5,484 miles / 4,766 nautical miles). The estimated flight time for this route is approximately 11h, flying northwest at a heading of 323°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting South Korea with Switzerland. It is an intercontinental flight between Asia and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 08:23 in Seoul, it's 00:23 in Grenchen Airport. With a 8-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 1,388 feet between the two airports. Grenchen Airport sits higher than Incheon International Airport.

The return flight from Grenchen Airport (ZHI) to Seoul (ICN) follows a heading of 45° (northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Incheon International Airport (ICN) and Grenchen Airport (ZHI) detail pages, or use our flight duration calculator to compare other routes.